/**
* Applies all updates.
*
* @param before run updates specified before or after node updates
* @throws QueryException query exception
*/
void apply(final boolean before) throws QueryException {
final int pos = UpdateType._NODE_UPDATES_.ordinal();
for (final NameUpdate up : nameUpdates) {
final int ord = up.type.ordinal();
if (before ? ord < pos : ord > pos) up.apply();
}
}
/**
* Adds an update to the list.
*
* @param up update primitive
* @throws QueryException query exception
*/
void add(final NameUpdate up) throws QueryException {
final boolean alter = up.type == UpdateType.DBALTER;
final boolean drop = up.type == UpdateType.DBDROP;
for (final NameUpdate o : nameUpdates) {
if (o.type == up.type) o.merge(up);
if (drop && o.type == UpdateType.DBALTER || alter && o.type == UpdateType.DBDROP) {
throw BXDB_ALTERDROP_X.get(o.info(), o.name());
}
}
nameUpdates.add(up);
}
/**
* Adds databases to be updated to the specified list.
*
* @param db databases
*/
void databases(final StringList db) {
for (final NameUpdate up : nameUpdates) up.databases(db);
}
/**
* Returns the number of performed updates.
*
* @return number of updates
*/
int size() {
int size = 0;
for (final NameUpdate up : nameUpdates) size += up.size();
return size;
}
/**
* Prepares updates for execution.
*
* @throws QueryException query exception
*/
void prepare() throws QueryException {
for (final NameUpdate o : nameUpdates) o.prepare();
// sort all operations
Collections.sort(nameUpdates);
}